Liquid filter



FIG. 1 is a perspective view of the liquid filter showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof, apertures in the bottom of the liquid filter being shown in phantom for illustrative purposes only and not constituting a part of the design;

FIG. 4 is a side elevational view thereof, outlet apertures of the liquid filter being shown in phantom for illustrative purposes only and not constituting a part thereof; each of the remaining sides of the liquid filter which include the front and rear views thereof are substantially identical to the side elevational view shown in FIG. 4

FIG. 5 is a perspective view of another embodiment of the liquid filter of the present invention;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof, outlet apertures of the liquid filter being shown in phantom for illustrative purposes only and not constituting a part of the design; and,

FIG. 8 is a side elevational view thereof, outlet apertures in the bottom thereof being shown in phantom line for illustrative purposes only, each of the side elevational view being identical to that shown, each of the remaining sides of the liquid filter which include the front and rear views thereof are substantially identical to the side elevational view shown in FIG. 8. 

The ornamental design for a liquid filter, as shown and described. 